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4820-01-142-6493

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-142-6493
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05488
(FIIG) Federal Item Identification Guide
A046B0
Date
11/18/1982 (43 years ago)

plain,optional end(pipe) 1st end connection style, automatic or manual valve operation method, spring disk loading method, piston flow control device, right-hand 1st end thread direction

Specs & Compatibility

Thread Direction

right-hand 1st end

Flow Control Device

piston

Disk Loading Method

spring

Connection Style

plain,optional end(pipe) 1st end

Valve Operation Method

automatic or manual

Connection Type

threaded internal pipe 1st end

Adjustable Pressure Range

+30.0 to 100.0 pounds per square inch

Nominal Thread Size

1.000 inches 1st end

Material

aluminum body

Style Designator

angle

Thread Series Designator

nptf 1st end

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005488

Related Hardware Products

Part Number Description
HVJ-5RP-HS-WS Safety Relief Valve
HVJ5PWS Safety Relief Valve
HVJ5RPWS Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-142-6493?
The FSCG of the NSN 4820-01-142-6493 is 4820
Does the NSN 4820-01-142-6493 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-142-6493 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-01-142-6493 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-142-6493 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-142-6493 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Thu, Nov 18, 1982